A rich man's son has lived a dissipated life and has joined a circus where he shares the courageous and perilous lives of its artists. He falls in love with a young dancer and is loved in return by her. But their passion goes through many vicissitudes.

Major Labourdette receives an accommodation ticket to spend the night with the widow Martin. Now, there are two Martin widows in the small garrison town, and one of them keeps a house of promiscuous girls. Labourdette gets the wrong landlady and ends up at home. He will keep an unforgettable memory of this night.

A philatelist absorbed in his collection abandons his wife. He had her followed by a detective and learned that two young people were courting her. He gives them two rare stamps and gets his wife back.

Valerian writes his uncle, colonial millionaire, for money. He meets a quartermaster, Napoleon, who pretends to be a doctor of law. They become friends.

Roger Latour introduces himself to Wilky Studios as the famous thief Silver Jim, and offers to fulfill the role of king of the slums for whom the producer is still looking for an actor. Wilky, impressed, hires him.

A pious family, a non-believer, and a little boy who suffered an accident, whom a doctor believes is forever doomed to crutches: can he walk normally again due to his faith in the Virgin of Lourdes.